cb79e42e5c
See #17764 for details I have tested: - Unit test for local/s3/hdfs/broker file system: be/test/io/fs/file_system_test.cpp - Outfile to local/s3/hdfs/broker. - Load from local/s3/hdfs/broker. - Query file on local/s3/hdfs/broker file system, with table value function and catalog. - Backup/Restore with local/s3/hdfs/broker file system Not test: - cold & host data separation case.
37 lines
1.2 KiB
C++
37 lines
1.2 KiB
C++
// Licensed to the Apache Software Foundation (ASF) under one
|
|
// or more contributor license agreements. See the NOTICE file
|
|
// distributed with this work for additional information
|
|
// regarding copyright ownership. The ASF licenses this file
|
|
// to you under the Apache License, Version 2.0 (the
|
|
// "License"); you may not use this file except in compliance
|
|
// with the License. You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing,
|
|
// software distributed under the License is distributed on an
|
|
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
|
|
// KIND, either express or implied. See the License for the
|
|
// specific language governing permissions and limitations
|
|
// under the License.
|
|
|
|
#pragma once
|
|
|
|
#include "common/status.h"
|
|
|
|
namespace doris {
|
|
namespace io {
|
|
class IOContext;
|
|
}
|
|
// This class is used for CSV scanner, to read content line by line
|
|
class LineReader {
|
|
public:
|
|
virtual ~LineReader() = default;
|
|
virtual Status read_line(const uint8_t** ptr, size_t* size, bool* eof,
|
|
const io::IOContext* io_ctx) = 0;
|
|
|
|
virtual void close() = 0;
|
|
};
|
|
|
|
} // namespace doris
|